Computer problem, help.

Check page number 57 in the Vaio quick Start manual. You can get it for free on line (google search). You will find the info as follows. Please check the manual for more details and options.



Why does the message, “Operating system not found” appear when my
computer starts, and why won’t Windows start?
❑ If you have connected an external floppy disk drive to the computer, make
sure there is no disk in the floppy disk drive (non-bootable).
❑ If a non-bootable floppy disk is in the drive, follow these steps:
1 Turn off the computer, and remove the floppy disk.
2 Restart the computer and confirm that the Windows® operating system
starts properly.
❑ If Windows still does not start, follow these steps to initialize the BIOS:
1 Remove any floppy disk from the floppy disk drive.
2 Turn off the computer.
3 Remove any peripheral devices connected to the computer.
4 Restart the computer.
5 Press F2 when the Sony logo appears. The BIOS Setup window
appears.
6 Press the Right Arrow key to select the Exit menu.
7 Press the Down Arrow key to select Get Default Values. The
message Load default values for all SETUP items appears.
✍ If this occurs on a regular basis, contact Sony Computing Support
(http://www.sony.com/pcsupport).
VAIO® Computer Quick Start
58
8 Press Enter. The Setup Confirmation window appears.
9 Select Yes, and press Enter.
10 Select Exit (Save Changes), and press Enter. The Setup Confirmation
window appears again.
11 Select Yes, and press Enter. The computer restarts.
If your computer continues to display the message “Operating system not found,”
and Windows does not start, use your supplied System Recovery CDs to restore
the programs that shipped with your computer. See “Using the System Recovery
CDs” for more information.
Why doesn’t my computer respond or turn off?

This generally indicates a hard drive crash/failure, in which the hard drive will need to be replaced. Rare, but occasionally you will get this error from an operating system glitch. Before you run out and buy a new hard drive, try reloading the operating system. If you have any problems during or after the install, then the hard drive is shot.